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pages.zh/linux/iostat.md
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# iostat
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> 报告设备和分区的统计信息。
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> 更多信息:<https://manned.org/iostat>.
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- 显示系统启动以来的CPU和磁盘统计报告:
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`iostat`
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- 以MB为单位显示CPU和磁盘统计报告:
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`iostat -m`
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- 显示CPU统计信息:
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`iostat {{[-c|--compact]}}`
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- 显示包含磁盘名称(含LVM)的磁盘统计信息:
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`iostat -N`
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- 显示设备"sda"的扩展磁盘统计信息(包含磁盘名称):
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`iostat -xN {{sda}}`
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- 每2秒显示一次CPU和磁盘的增量统计报告:
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`iostat {{2}}`
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